HP 8753D Option 011 Service Manual page 251

78 Displays a color rainbow pattern for showing the ability of the A19
Test Pat 3.
G P board to display 15 colors plus white. The numbers written below each bar
indicate the tint number used to produce that bar (0 & 100=pure red, 33=pure
green, 67=pure blue).
79 Displays a character set for showing the user all the di erent types and
Test Pat 4.
sizes of characters available. Three sets of characters are drawn in each of the three
character sizes. 125 characters of each size are displayed. Characters 0 and 3 cannot
be drawn and several others are really control characters (such as carriage return and
line feed).
80 Displays a bandwidth pattern for verifying the bandwidth of the display.
Test Pat 5.
It consists of multiple alternating white and black vertical stripes. Each stripe should
be clearly visible. A limited bandwidth would smear these lines together. This
adjustment can be performed in the factory only.
10-12 Service Key Menus and Error Messages
Artisan Scientific - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisan-scientific.com
RAFT
3/21/106 15:14